Fix warnings.

6 files changed, 52 insertions, 52 deletions

diff --git a/crypto/bn/bntest.c b/crypto/bn/bntest.c
index fd5e21cbe6..565590a1f1 100644
--- a/crypto/bn/bntest.c
+++ b/crypto/bn/bntest.c
@@ -184,120 +184,120 @@ int main(int argc, char *argv[])
 
 	message(out,"BN_add");
 	if (!test_add(out)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_sub");
 	if (!test_sub(out)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_lshift1");
 	if (!test_lshift1(out)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_lshift (fixed)");
 	if (!test_lshift(out,ctx,BN_bin2bn(lst,sizeof(lst)-1,NULL)))
 	    goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_lshift");
 	if (!test_lshift(out,ctx,NULL)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_rshift1");
 	if (!test_rshift1(out)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_rshift");
 	if (!test_rshift(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_sqr");
 	if (!test_sqr(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_mul");
 	if (!test_mul(out)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_div");
 	if (!test_div(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_div_word");
 	if (!test_div_word(out)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_div_recp");
 	if (!test_div_recp(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_mod");
 	if (!test_mod(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_mod_mul");
 	if (!test_mod_mul(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_mont");
 	if (!test_mont(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_mod_exp");
 	if (!test_mod_exp(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_mod_exp_mont_consttime");
 	if (!test_mod_exp_mont_consttime(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_exp");
 	if (!test_exp(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_kronecker");
 	if (!test_kron(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_mod_sqrt");
 	if (!test_sqrt(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_GF2m_add");
 	if (!test_gf2m_add(out)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_GF2m_mod");
 	if (!test_gf2m_mod(out)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_GF2m_mod_mul");
 	if (!test_gf2m_mod_mul(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_GF2m_mod_sqr");
 	if (!test_gf2m_mod_sqr(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_GF2m_mod_inv");
 	if (!test_gf2m_mod_inv(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_GF2m_mod_div");
 	if (!test_gf2m_mod_div(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_GF2m_mod_exp");
 	if (!test_gf2m_mod_exp(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_GF2m_mod_sqrt");
 	if (!test_gf2m_mod_sqrt(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	message(out,"BN_GF2m_mod_solve_quad");
 	if (!test_gf2m_mod_solve_quad(out,ctx)) goto err;
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	BN_CTX_free(ctx);
 	BIO_free(out);
@@ -307,7 +307,7 @@ int main(int argc, char *argv[])
 err:
 	BIO_puts(out,"1\n"); /* make sure the Perl script fed by bc notices
 	                      * the failure, see test_bn in test/Makefile.ssl*/
-	BIO_flush(out);
+	(void)BIO_flush(out);
 	ERR_load_crypto_strings();
 	ERR_print_errors_fp(stderr);
 	EXIT(1);
diff --git a/crypto/ecdh/ecdhtest.c b/crypto/ecdh/ecdhtest.c
index 01baa5f494..1575006b51 100644
--- a/crypto/ecdh/ecdhtest.c
+++ b/crypto/ecdh/ecdhtest.c
@@ -148,7 +148,7 @@ static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
 #ifdef NOISY
 	BIO_puts(out,"\n");
 #else
-	BIO_flush(out);
+	(void)BIO_flush(out);
 #endif
 
 	if (!EC_KEY_generate_key(a)) goto err;
@@ -173,7 +173,7 @@ static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
 	BIO_puts(out,"\n");
 #else
 	BIO_printf(out," .");
-	BIO_flush(out);
+	(void)BIO_flush(out);
 #endif
 
 	if (!EC_KEY_generate_key(b)) goto err;
@@ -199,7 +199,7 @@ static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
 	BIO_puts(out,"\n");
 #else
 	BIO_printf(out,".");
-	BIO_flush(out);
+	(void)BIO_flush(out);
 #endif
 
 	alen=KDF1_SHA1_len;
@@ -216,7 +216,7 @@ static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
 	BIO_puts(out,"\n");
 #else
 	BIO_printf(out,".");
-	BIO_flush(out);
+	(void)BIO_flush(out);
 #endif
 
 	blen=KDF1_SHA1_len;
@@ -233,7 +233,7 @@ static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
 	BIO_puts(out,"\n");
 #else
 	BIO_printf(out,".");
-	BIO_flush(out);
+	(void)BIO_flush(out);
 #endif
 
 	if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0))
diff --git a/crypto/ecdsa/ecdsatest.c b/crypto/ecdsa/ecdsatest.c
index 59be39bb41..b07e31252b 100644
--- a/crypto/ecdsa/ecdsatest.c
+++ b/crypto/ecdsa/ecdsatest.c
@@ -203,13 +203,13 @@ int x9_62_test_internal(BIO *out, int nid, const char *r_in, const char *s_in)
 	if (!EC_KEY_generate_key(key))
 		goto x962_int_err;
 	BIO_printf(out, ".");
-	BIO_flush(out);
+	(void)BIO_flush(out);
 	/* create the signature */
 	signature = ECDSA_do_sign(digest, 20, key);
 	if (signature == NULL)
 		goto x962_int_err;
 	BIO_printf(out, ".");
-	BIO_flush(out);
+	(void)BIO_flush(out);
 	/* compare the created signature with the expected signature */
 	if ((r = BN_new()) == NULL || (s = BN_new()) == NULL)
 		goto x962_int_err;
@@ -219,12 +219,12 @@ int x9_62_test_internal(BIO *out, int nid, const char *r_in, const char *s_in)
 	if (BN_cmp(signature->r ,r) || BN_cmp(signature->s, s))
 		goto x962_int_err;
 	BIO_printf(out, ".");
-	BIO_flush(out);
+	(void)BIO_flush(out);
 	/* verify the signature */
 	if (ECDSA_do_verify(digest, 20, signature, key) != 1)
 		goto x962_int_err;
 	BIO_printf(out, ".");
-	BIO_flush(out);
+	(void)BIO_flush(out);
 
 	BIO_printf(out, " ok\n");
 	ret = 1;
@@ -369,7 +369,7 @@ int test_builtin(BIO *out)
 			}
 
 		BIO_printf(out, ".");
-		BIO_flush(out);
+		(void)BIO_flush(out);
 		/* check key */
 		if (!EC_KEY_check_key(eckey))
 			{
@@ -377,7 +377,7 @@ int test_builtin(BIO *out)
 			goto builtin_err;
 			}
 		BIO_printf(out, ".");
-		BIO_flush(out);
+		(void)BIO_flush(out);
 		/* create signature */
 		sig_len = ECDSA_size(eckey);
 		if ((signature = OPENSSL_malloc(sig_len)) == NULL)
@@ -388,7 +388,7 @@ int test_builtin(BIO *out)
 			goto builtin_err;
 			}
 		BIO_printf(out, ".");
-		BIO_flush(out);
+		(void)BIO_flush(out);
 		/* verify signature */
 		if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1)
 			{
@@ -396,7 +396,7 @@ int test_builtin(BIO *out)
 			goto builtin_err;
 			}
 		BIO_printf(out, ".");
-		BIO_flush(out);
+		(void)BIO_flush(out);
 		/* verify signature with the wrong key */
 		if (ECDSA_verify(0, digest, 20, signature, sig_len, 
 			wrong_eckey) == 1)
@@ -405,7 +405,7 @@ int test_builtin(BIO *out)
 			goto builtin_err;
 			}
 		BIO_printf(out, ".");
-		BIO_flush(out);
+		(void)BIO_flush(out);
 		/* wrong digest */
 		if (ECDSA_verify(0, wrong_digest, 20, signature, sig_len,
 			eckey) == 1)
@@ -414,7 +414,7 @@ int test_builtin(BIO *out)
 			goto builtin_err;
 			}
 		BIO_printf(out, ".");
-		BIO_flush(out);
+		(void)BIO_flush(out);
 		/* modify a single byte of the signature */
 		offset = signature[10] % sig_len;
 		dirt   = signature[11];
@@ -425,7 +425,7 @@ int test_builtin(BIO *out)
 			goto builtin_err;
 			}
 		BIO_printf(out, ".");
-		BIO_flush(out);
+		(void)BIO_flush(out);
 		
 		BIO_printf(out, " ok\n");
 		/* cleanup */
diff --git a/crypto/ocsp/ocsp_ht.c b/crypto/ocsp/ocsp_ht.c
index 4b1992052d..a8e569b74a 100644
--- a/crypto/ocsp/ocsp_ht.c
+++ b/crypto/ocsp/ocsp_ht.c
@@ -279,7 +279,7 @@ int OCSP_sendreq_nbio(OCSP_RESPONSE **presp, OCSP_REQ_CTX *rctx)
 
 		rctx->state = OHS_ASN1_FLUSH;
 
-		BIO_reset(rctx->mem);
+		(void)BIO_reset(rctx->mem);
 
 		case OHS_ASN1_FLUSH:
 
diff --git a/crypto/pkcs7/pk7_mime.c b/crypto/pkcs7/pk7_mime.c
index 2d321a9e91..de710c3d68 100644
--- a/crypto/pkcs7/pk7_mime.c
+++ b/crypto/pkcs7/pk7_mime.c
@@ -125,7 +125,7 @@ int i2d_PKCS7_bio_stream(BIO *out, PKCS7 *p7, BIO *in, int flags)
 			return 0;
 			}
 		SMIME_crlf_copy(in, bio, flags);
-		BIO_flush(bio);
+		(void)BIO_flush(bio);
 		/* Free up successive BIOs until we hit the old output BIO */
 		do
 			{
@@ -158,7 +158,7 @@ static int B64_write_PKCS7(BIO *out, PKCS7 *p7, BIO *in, int flags)
 	 */
 	out = BIO_push(b64, out);
 	r = i2d_PKCS7_bio_stream(out, p7, in, flags);
-	BIO_flush(out);
+	(void)BIO_flush(out);
 	BIO_pop(out);
 	BIO_free(b64);
 	return r;
@@ -175,7 +175,7 @@ static PKCS7 *B64_read_PKCS7(BIO *bio)
 	bio = BIO_push(b64, bio);
 	if(!(p7 = d2i_PKCS7_bio(bio, NULL))) 
 		PKCS7err(PKCS7_F_B64_READ_PKCS7,PKCS7_R_DECODE_ERROR);
-	BIO_flush(bio);
+	(void)BIO_flush(bio);
 	bio = BIO_pop(bio);
 	BIO_free(b64);
 	return p7;
@@ -542,7 +542,7 @@ int SMIME_crlf_copy(BIO *in, BIO *out, int flags)
 			if(eol) BIO_write(out, "\r\n", 2);
 			}
 		}
-	BIO_flush(out);
+	(void)BIO_flush(out);
 	BIO_pop(out);
 	BIO_free(bf);
 	return 1;
diff --git a/crypto/pkcs7/pk7_smime.c b/crypto/pkcs7/pk7_smime.c
index 39b18a4a46..ac4afc9fec 100644
--- a/crypto/pkcs7/pk7_smime.c
+++ b/crypto/pkcs7/pk7_smime.c
@@ -124,7 +124,7 @@ int PKCS7_final(PKCS7 *p7, BIO *data, int flags)
 
 	SMIME_crlf_copy(data, p7bio, flags);
 
-	BIO_flush(p7bio);
+	(void)BIO_flush(p7bio);
 
 
         if (!PKCS7_dataFinal(p7,p7bio))